On Tuesday, February 19, 2013 7:13:42 PM UTC-7, sidd wrote: > > u cannot use greatest function with null parameter, it will return null > only > > On Wed, Feb 20, 2013 at 3:16 AM, Gayathri <[email protected] > <javascript:>>wrote: > >> I just thought about it and found that i can do it with greatest function. >> >> v_result := getbasevalue(....) + greatest(getpricediff(....), 0) >> >> Thanks, >> Divya K M >> >> >> On Tue, Feb 19, 2013 at 4:11 PM, Gayathri <[email protected] <javascript:> >> > wrote: >> >>> Hi All, >>> >>> Need suggestion on how to do this. >>> >>> In a PL/SQL block, have an expression like below - >>> where 2 functions are called and result is added together. >>> v_result := getbasevalue(....) + getpricediff(....) >>> >>> Function getpricediff(...), if returns value less than 0, then it should >>> be substituted as '0' (zero) else whatever value is calculated. >>> >>> this is what i am looking for - >>> v_result := getbasevalue(....) + case if getpricediff(....) < 0 then 0 >>> else getpricediff(....) end >>> >>> any better way to achieve this without calling the function twice? >>> >>> Thanks in advance! >>> >> >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Oracle PL/SQL" group. >> To post to this group, send email to [email protected]<javascript:> >> To unsubscribe from this group, send email to >> [email protected] <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/Oracle-PLSQL?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "Oracle PL/SQL" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > It doesn't appear he/she is using greatest() with a function that returns a NULL value. Is there some reason you think that function will return a NULL value? A price difference shouldn't be NULL so the function should return a numeric value in all cases.
David Fitzjarrell -- -- You received this message because you are subscribed to the Google Groups "Oracle PL/SQL" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Oracle-PLSQL?hl=en --- You received this message because you are subscribed to the Google Groups "Oracle PL/SQL" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
